// Copyright 2017 Istio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package crd

import (
	meta_v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/runtime"

	"istio.io/istio/pilot/pkg/model"
)

// IstioKind is the generic Kubernetes API object wrapper
type IstioKind struct {
	meta_v1.TypeMeta   `json:",inline"`
	meta_v1.ObjectMeta `json:"metadata"`
	Spec               map[string]interface{} `json:"spec"`
}

// GetSpec from a wrapper
func (in *IstioKind) GetSpec() map[string]interface{} {
	return in.Spec
}

// SetSpec for a wrapper
func (in *IstioKind) SetSpec(spec map[string]interface{}) {
	in.Spec = spec
}

// GetObjectMeta from a wrapper
func (in *IstioKind) GetObjectMeta() meta_v1.ObjectMeta {
	return in.ObjectMeta
}

// SetObjectMeta for a wrapper
func (in *IstioKind) SetObjectMeta(metadata meta_v1.ObjectMeta) {
	in.ObjectMeta = metadata
}

// IstioKindList is the generic Kubernetes API list wrapper
type IstioKindList struct {
	meta_v1.TypeMeta `json:",inline"`
	meta_v1.ListMeta `json:"metadata"`
	Items            []IstioKind `json:"items"`
}

// GetItems from a wrapper
func (in *IstioKindList) GetItems() []IstioObject {
	out := make([]IstioObject, len(in.Items))
	for i := range in.Items {
		out[i] = &in.Items[i]
	}
	return out
}

// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *IstioKind) DeepCopyInto(out *IstioKind) {
	*out = *in
	out.TypeMeta = in.TypeMeta
	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
	out.Spec = in.Spec
}

// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new IstioKind.
func (in *IstioKind) DeepCopy() *IstioKind {
	if in == nil {
		return nil
	}
	out := new(IstioKind)
	in.DeepCopyInto(out)
	return out
}

// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
func (in *IstioKind) DeepCopyObject() runtime.Object {
	if c := in.DeepCopy(); c != nil {
		return c
	}

	return nil
}

// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *IstioKindList) DeepCopyInto(out *IstioKindList) {
	*out = *in
	out.TypeMeta = in.TypeMeta
	out.ListMeta = in.ListMeta
	if in.Items != nil {
		in, out := &in.Items, &out.Items
		*out = make([]IstioKind, len(*in))
		for i := range *in {
			(*in)[i].DeepCopyInto(&(*out)[i])
		}
	}
}

// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new IstioKindList.
func (in *IstioKindList) DeepCopy() *IstioKindList {
	if in == nil {
		return nil
	}
	out := new(IstioKindList)
	in.DeepCopyInto(out)
	return out
}

// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
func (in *IstioKindList) DeepCopyObject() runtime.Object {
	if c := in.DeepCopy(); c != nil {
		return c
	}

	return nil
}

// IstioObject is a k8s wrapper interface for config objects
type IstioObject interface {
	runtime.Object
	GetSpec() map[string]interface{}
	SetSpec(map[string]interface{})
	GetObjectMeta() meta_v1.ObjectMeta
	SetObjectMeta(meta_v1.ObjectMeta)
}

// IstioObjectList is a k8s wrapper interface for config lists
type IstioObjectList interface {
	runtime.Object
	meta_v1.ListInterface
	meta_v1.ListMetaAccessor
	GetItems() []IstioObject
}

func APIVersionFromConfig(config *model.Config) string {
	return config.Group + "/" + config.Version
}
